The Museum Mile Festival in NYC is June 12 from 6 to 9pm. It is on Fifth Avenue between 82nd and 105th Street (a mile). Map and Schedule of Activities for the Museum Mile.
The festival offers FREE admission to museums – Metropolitan Museum of Art, Cooper- Hewitt-National Design Museum, Guggenheim, Museum of the City of New York, National Academy Museum, Jewish Museum, El Museo Del Barrio. Plus, there is live music, street performers, kid activities.